The laryngeal benign tumors of infantile are polyp, nodule, cyts and papilloma . its causes are VA, laryngite, and larynx reflex. Ojective: The description on endosopie of laryngeal benign tumors of infantile. Materials and Methods: Case study of 50 patients of laryngeal benign tumors of infantil, operateds at Hospital ENT Central (2011-2012). Diagnostic clinical, endoscopic, histopathologic. Results and discussions: Papilloma is 42 percent, polysite. rosy or white grey, vegetation (33.3 percent), cauliflower (66.7 percent). Nodule is 38 percent , white, grains of buckweast or prickle rosy, and site of the one third of midlle one cords. The polyp is 12 percent, rosy, flat, , and site of the one third of midlle one cords. The cyts (8 percent), white and jelow, no flat, the site of the one third of midlle one cords. Conclusion: There are the papilloma 42 percent, nodule 38 percent, polyp 12 percent and cyts 8 percent.